method to be passed on to the next transition matched.
        Accumulate the results returned by the transition methods in a list.
        Run the end-of-file transition. Finally, return the accumulated
        results.

        Parameters:

        - `input_lines`: a list of strings without newlines, or `StringList`.
        - `input_offset`: the line offset of `input_lines` from the beginning
          of the file.
        - `context`: application-specific storage.
        - `input_source`: name or path of source of `input_lines`.
        - `initial_state`: name of initial state.
        )